140223130323421 has 8 divisors (see below), whose sum is σ = 140743453634784. Its totient is φ = 139703219807760.

The previous prime is 140223130323403. The next prime is 140223130323443. The reversal of 140223130323421 is 124323031322041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140223130323421 - 2¹⁷ = 140223130192349 is a prime.

It is a super-2 number, since 2×140223130323421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223130323721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102518275 + ... + 103877056.

It is an arithmetic number, because the mean of its divisors is an integer number (17592931704348).

Almost surely, 2^{140223130323421} is an apocalyptic number.

It is an amenable number.

140223130323421 is a deficient number, since it is larger than the sum of its proper divisors (520323311363).

140223130323421 is a wasteful number, since it uses less digits than its factorization.

140223130323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206397851.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 140223130323421 its reverse (124323031322041), we get a palindrome (264546161645462).

The spelling of 140223130323421 in words is "one hundred forty trillion, two hundred twenty-three billion, one hundred thirty million, three hundred twenty-three thousand, four hundred twenty-one".